According to the "Interim Provisions on Bid Evaluation Committee and Bid Evaluation Methods (Decree No. 12 of the State Development Planning Commission, the State Economic and Trade Commission, the Ministry of Construction, the Ministry of Railways, the Ministry of Transportation, the Ministry of Information Industry, and the Ministry of China Water Conservancy)," the following is stipulated:
"Article 17 The bid evaluation committee shall, in accordance with the bidding documents stipulated in the bid evaluation standards and methods, evaluate and compare the bidding documents systematically evaluated and compared. Criteria and methods not stipulated in the bidding documents shall not be used as the basis for evaluating tenders.
The bid evaluation standards and methods stipulated in the bidding documents shall be reasonable and shall not contain any content that favors or excludes potential bidders, or impedes or restricts competition among bidders."